The BeFree collapsible water filter bottle at long last is the ideal
ultralight water filtration system that I have been looking for. It’s very
lightweight at 2 ounces, compact, effectively filters water to safe levels, has
a fast flow rate, is easy to use, and it’s fairly inexpensive.
By Will Rietveld
Water is heavy, so I don’t want to carry any more than
necessary. When I am backpacking in an area that I know will have water
available at frequent intervals, I carry a small bottle and refill it often.
The complication is water purification – how can I purify water quickly with the lightest technology?
Two of the lightweight solutions I have tested are: 1) the
Sawyer Mini water filter on a small soda bottle, and 2) a wide mouth small soda
bottle (e.g., a Gatoraid bottle) and a Steripen Freedom UV water purifier. Neither
is ideal in terms of performance, light weight, and convenience. The Sawyer
Mini filter has a slow flow rate and I get tired of sucking/squeezing hard to
get water. The Steripen system only takes 45 seconds to treat a pint of water, and there is no wait time, but it relies on batteries and it failed me on one trip.
However, both systems are very lightweight, about 4 ounces total for the device and bottle. As far as convenience, the Sawyer Mini system needs to reside in a backpack side pocket, so it’s a bit hard to reach and replace; but the Steripen system can be carried in a shoulder pouch.
The new Katadyn BeFree filter bottle presents the opportunity to provide safe drinking water while reducing weight, with no wait time, a satisfying flow rate, and excellent convenience. Is it too good to be true?
However, both systems are very lightweight, about 4 ounces total for the device and bottle. As far as convenience, the Sawyer Mini system needs to reside in a backpack side pocket, so it’s a bit hard to reach and replace; but the Steripen system can be carried in a shoulder pouch.
The new Katadyn BeFree filter bottle presents the opportunity to provide safe drinking water while reducing weight, with no wait time, a satisfying flow rate, and excellent convenience. Is it too good to be true?
Specifications and Features
Manufacturer
|
Katadyn (www.katadyn.com/)
|
Product
|
BeFree Water Filtration System
|
Materials
|
Collapsible TPU bottle, hollow fiber water filter attached
to cap
|
Features
|
Tough collapsible bottle, fits any HydraPak flask with a 43mm opening, flip cap on the
drinking spout
|
Weight
|
Measured weight 2 oz, mfr specification 2 oz
|
MSRP
|
$40, replacement filter $25
|
Description
The 0.6 liter soft TPU flask used for the Katadyn BeFree is
made by HydraPak. HydraPak has collapsible containers in several sizes and the
BeFree filter + cap will fit any of them, as long as it’s a 43 millimeter
opening. At present, that’s the only containers the BeFree will fit; it will
not fit ordinary soda bottles, even those with a wider mouth.
The BeFree filtration system uses hollow fibers, like the
Sawyer Mini and Squeeze water filters, and the specifications are similar: 0.1
micron absolute hollow-fiber water filter that is 99.99% effective for
removing protozoa, including Giardia and Cryptosporidium, and 99.9999%
effective for removing bacteria. The difference – and this is a BIG
difference – is the BeFree has a much higher flow rate.
Katadyn first introduced the BeFree in a 0.6 liter size,
which I tested. However, when I first drafted this review I discovered that they
subsequently introduced 1 liter (2.3 ounces/$45) and 3 liter (3.5 ounces/$60)
versions of the BeFree, which deserved my attention.
Since my main interest is an ultralight water treatment
system, I focused on and tested the 0.6 liter size. But then another issue came up: apparently
the first lot of that bottle was undersized; a mistake had been made and the
bottle was about 0.4 liter rather than 0.6 liter. So I had to back up and test the true
0.6 liter size so I could evaluate it. I also tested the 1 liter size to see how
well it fits into a packing system, but did not test the 3-liter version.
Field Testing
I tested the BeFree on several mountain day hikes and
three backpacking trips.
When water is plentiful and frequent, as it often is in the
mountains, the 0.6 liter BeFree is perfect to minimize water weight. It is
easily and quickly refilled at any water source.
I truly love the high flow rate of the BeFree. Getting a
drink of water is more like drinking it straight out of a bottle, very satisfying. I was
once a loyal user of the Sawyer Mini water filter, which mounts on any volume
soda bottle with a standard 28 mm opening. But I grew tired of having to suck +
squeeze hard to get water. The slower flow rate was not very satisfying,
especially in hot weather.
To clean the BeFree, simply remove the filter and swish it
in clean water, or partially fill the bottle, replace the filter, and shake it.
It cannot be backflushed like the Sawyer filters, thus the 1000 liter lifespan.
The Sawyer filters are claimed to filter 1 million gallons if backflushed regularly and properly.
For camp water, I simply filtered water through the small BeFree
into a larger lightweight flask. It required only a few minutes and worked fine
for one person, but was a bit cumbersome to filter enough water for two people.
Perhaps the 3-liter size would be more convenient for filtering camp water for
two or more people.
Assessment
The BeFree 0.6 liter collapsible water filter bottle at long
last is the ideal ultralight water filtration system that I have been looking
for. It’s very lightweight at 2 ounces, compact, effectively filters water to
safe levels, is fast and easy to use, there is no wait time, and it’s fairly inexpensive. The Sawyer
Mini is less expensive, but it has its limitations, as explained above.
The system I used before the BeFree consisted of
the Steripen Freedom (2.7 ounces), a gallon size ziplock bag for treating
water, and a 1-liter Platypus flask and drink tube hydration system. The 6.1
ounce system was fast and easy. However, the BeFree bottle plus a 1-liter flask
for camp water weighs just 3 ounces. The BeFree system meets my needs for a net
savings of 3 ounces. An alternative for trail water is to use a 20-ounce Gatoraid bottle with the Steripen Freedom, but that adds a little more weight and the stiffer plastic bottle does not squeeze and deliver water as well as the TPU BeFree bottle.
One drawback is the BeFree is limited to HydraPak TPU
flasks with a 43 millimeter opening. It would be nice to have a version that
fits a wider mouth plastic bottle available for free, like a Gatoraid bottle.
That would be functional, but it would not squeeze as easily to deliver
filtered water as the HydraPak TPU bottles.
Very helpful post:) Im looking for a bottle holder for my 600ml (true 600) befree. What brand of sholder pouch do you use in the picture with the undersized .6l ?
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It doesn't have a label on it; I believe its Mountain Laurel Designs.
ReplyDeleteThe BeFree worked great this summer on the CDT ... for a couple of weeks. Then a leak developed, and then the leak worsened. This would be a great product if it lasted, but that is a huge if.
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